Overview

Dataset Statistics

Number of Variables 7
Number of Rows 244
Missing Cells 0
Missing Cells (%) 0.0%
Duplicate Rows 1
Duplicate Rows (%) 0.4%
Total Size in Memory 7.9 KB
Average Row Size in Memory 33.1 B
Variable Types
  • Numerical: 2
  • Categorical: 5

Dataset Insights

tip is skewed Skewed
size has constant length 1 Constant Length

Variables


total_bill

numerical

Approximate Distinct Count 229
Approximate Unique (%) 93.8%
Missing 0
Missing (%) 0.0%
Infinite 0
Infinite (%) 0.0%
Memory Size 3.8 KB
Mean 19.7859
Minimum 3.07
Maximum 50.81
Zeros 0
Zeros (%) 0.0%
Negatives 0
Negatives (%) 0.0%
  • total_bill is skewed right (γ1 = 1.1262)

Quantile Statistics

Minimum 3.07
5-th Percentile 9.5575
Q1 13.3475
Median 17.795
Q3 24.1275
95-th Percentile 38.061
Maximum 50.81
Range 47.74
IQR 10.78

Descriptive Statistics

Mean 19.7859
Standard Deviation 8.9024
Variance 79.2529
Sum 4827.77
Skewness 1.1262
Kurtosis 1.1692
Coefficient of Variation 0.4499
  • total_bill is not normally distributed (p-value 0.00305060761371735)
  • total_bill has 9 outliers

tip

numerical

Approximate Distinct Count 123
Approximate Unique (%) 50.4%
Missing 0
Missing (%) 0.0%
Infinite 0
Infinite (%) 0.0%
Memory Size 3.8 KB
Mean 2.9983
Minimum 1
Maximum 10
Zeros 0
Zeros (%) 0.0%
Negatives 0
Negatives (%) 0.0%
  • tip is skewed right (γ1 = 1.4564)

Quantile Statistics

Minimum 1
5-th Percentile 1.44
Q1 2
Median 2.9
Q3 3.5625
95-th Percentile 5.1955
Maximum 10
Range 9
IQR 1.5625

Descriptive Statistics

Mean 2.9983
Standard Deviation 1.3836
Variance 1.9145
Sum 731.58
Skewness 1.4564
Kurtosis 3.5496
Coefficient of Variation 0.4615
  • tip is not normally distributed (p-value 3.857500297233289e-12)
  • tip has 9 outliers

sex

categorical

Approximate Distinct Count 2
Approximate Unique (%) 0.8%
Missing 0
Missing (%) 0.0%
Memory Size 2.4 KB
  • The largest value (Male) is over 1.8 times larger than the second largest value (Female)

Length

Mean 4.7131
Standard Deviation 0.9599
Median 4
Minimum 4
Maximum 6

Sample

1st row Female
2nd row Male
3rd row Male
4th row Male
5th row Female

Letter

Count 1150
Lowercase Letter 906
Space Separator 0
Uppercase Letter 244
Dash Punctuation 0
Decimal Number 0
  • The top 2 categories (Male, Female) take over 50.0%
  • The largest value (male) is over 1.8 times larger than the second largest value (female)

smoker

categorical

Approximate Distinct Count 2
Approximate Unique (%) 0.8%
Missing 0
Missing (%) 0.0%
Memory Size 2.4 KB
  • The largest value (No) is over 1.62 times larger than the second largest value (Yes)

Length

Mean 2.3811
Standard Deviation 0.4867
Median 2
Minimum 2
Maximum 3

Sample

1st row No
2nd row No
3rd row No
4th row No
5th row No

Letter

Count 581
Lowercase Letter 337
Space Separator 0
Uppercase Letter 244
Dash Punctuation 0
Decimal Number 0
  • The top 2 categories (No, Yes) take over 50.0%
  • The largest value (no) is over 1.62 times larger than the second largest value (yes)

day

categorical

Approximate Distinct Count 4
Approximate Unique (%) 1.6%
Missing 0
Missing (%) 0.0%
Memory Size 2.5 KB

Length

Mean 3.2541
Standard Deviation 0.4362
Median 3
Minimum 3
Maximum 4

Sample

1st row Sun
2nd row Sun
3rd row Sun
4th row Sun
5th row Sun

Letter

Count 794
Lowercase Letter 550
Space Separator 0
Uppercase Letter 244
Dash Punctuation 0
Decimal Number 0
  • The top 2 categories (Sat, Sun) take over 50.0%

time

categorical

Approximate Distinct Count 2
Approximate Unique (%) 0.8%
Missing 0
Missing (%) 0.0%
Memory Size 2.4 KB
  • The largest value (Dinner) is over 2.59 times larger than the second largest value (Lunch)

Length

Mean 5.7213
Standard Deviation 0.4493
Median 6
Minimum 5
Maximum 6

Sample

1st row Dinner
2nd row Dinner
3rd row Dinner
4th row Dinner
5th row Dinner

Letter

Count 1396
Lowercase Letter 1152
Space Separator 0
Uppercase Letter 244
Dash Punctuation 0
Decimal Number 0
  • The top 2 categories (Dinner, Lunch) take over 50.0%
  • The largest value (dinner) is over 2.59 times larger than the second largest value (lunch)

size

categorical

Approximate Distinct Count 6
Approximate Unique (%) 2.5%
Missing 0
Missing (%) 0.0%
Memory Size 15.7 KB
  • The largest value (2) is over 4.11 times larger than the second largest value (3)

Length

Mean 1
Standard Deviation 0
Median 1
Minimum 1
Maximum 1

Sample

1st row 2
2nd row 3
3rd row 3
4th row 2
5th row 4

Letter

Count 0
Lowercase Letter 0
Space Separator 0
Uppercase Letter 0
Dash Punctuation 0
Decimal Number 244
  • The top 2 categories (2, 3) take over 50.0%
  • The largest value (2) is over 4.11 times larger than the second largest value (3)
  • size has words of constant length

Interactions

Correlations

Missing Values